/Engine/Source/Editor/Sequencer/Public/SequencerUtilities.h
static void CreateNewSection ( [UMovieSceneTrack](API\Runtime\MovieScene\UMovieSceneTrack) * InTrack, [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< [ISequencer](API\Editor\Sequencer\ISequencer) > InSequencer, int32 InRowIndex, EMovieSceneBlendType InBlendType )